<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <meta charset="UTF-8">
<title>验证用户输入的密码</title>
<script>
var password=prompt('请输入密码');
if(password=='123456'){
    alert('密码输入正确！');
}else{
    alert('密码输入错误!');
}
</script>
</head>

<body>
    
</body>
</html>